Description:
Dual-plane, high-rise intake manifold engineered specifically for Chevy big‑block engines (396–502 ci) with high-performance rectangular-port cylinder heads. The Performer RPM 2‑R delivers strong low‑end torque and broad horsepower from idle up to 6,500 rpm. It accepts modern accessories like water necks, alternators, HEI systems, and air conditioning.
